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3855 Pasasymphonia (1986 NF1)
Classification: Main-belt Asteroid          SPK-ID: 2003855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092064893535314 1.282e-08  
a 2.237339226249906 5.2554e-09 au
q 1.769273341233217 2.9224e-08 au
i 6.840094565618763 6.678e-07 deg
node 105.9593322550507 6.0788e-06 deg
peri 233.7352383991152 7.124e-06 deg
M 69.10920395983055 5.2359e-06 deg
tp 2458965.845129899329
(2020-Apr-26.34512990)
1.7572e-05 TDB
period 1222.351704200538
3.35
4.3069e-06
1.179e-08
d
yr
n .2945142537641839 1.0377e-09 deg/d
Q 2.705405111266596 6.3549e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2798  
   data-arc span      27232 days (74.56 yr)  
   first obs. used      1946-08-27  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:15:40  

Additional Information
 Earth MOID = .768272 au 
 Jupiter MOID = 2.69267 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457342.5 (2015-Nov-16.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093950323224666 1.2754e-08  
q 1.768749623740293 2.9087e-08 au
tp 2457744.276296069800
(2016-Dec-21.77629607)
1.7122e-05 TDB
node 105.9766596876408 6.0821e-06 deg
peri 233.8921443184311 7.1323e-06 deg
i 6.838575473069591 6.6773e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2798  
   data-arc span      27232 days (74.56 yr)  
   first obs. used      1946-08-27  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:15:40  

Additional Information
 Jupiter MOID = 2.69267 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.626655186399371E-16 -3.67148912789371E-16 -1.57085046657386E-13 -2.94785065649184E-15 -2.977428062329462E-14 -2.582870389763833E-16
q -3.67148912789371E-16 8.460362712137558E-16 3.500376230441342E-13 6.592803229091924E-15 6.46266757480589E-14 6.04137367119624E-16
tp -1.57085046657386E-13 3.500376230441342E-13 2.93165054500947E-10 5.15349947946238E-12 6.328229981541842E-11 7.925460350891755E-13
node -2.94785065649184E-15 6.592803229091924E-15 5.15349947946238E-12 3.699141865001294E-11 -3.555718526522903E-11 -1.546630344409869E-12
peri -2.977428062329462E-14 6.46266757480589E-14 6.328229981541842E-11 -3.555718526522903E-11 5.087004390408618E-11 1.754937898607879E-12
i -2.582870389763833E-16 6.04137367119624E-16 7.925460350891755E-13 -1.546630344409869E-12 1.754937898607879E-12 4.458582387857228E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.25   n/a MPCxxxxx  
diameter diameter 5.719 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.5131 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.341   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3855 Pasasymphonia (1986 NF1)          Discovered 1986-Jul-04 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 NF1 = 1936 RM = 1946 QE = 1963 UO = 1963 WA = 1979 HQ5 = 1985 DR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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